Re: Better picture for mplayer-dvb
Nico Sabbi <[email protected]>
| Newsgroups | gmane.comp.video.mplayer.user.dvb |
|---|---|
| Message-ID | <[email protected]> |
Juri Haberland wrote: >Nico Sabbi wrote: > > >>Sebastian Kemper wrote: >> >> > > > >>>yesterday I tried different postprocessing filters on my dvb. I think >>>I read all posts to this list concerning blockiness, the dvb card not >>>liking bitrates higher then 5000 etc. In the beginning I thought my >>>VDR was too slow for say lavc=2 (AMD 1700+), but after writing the >>>mpegpes to disk an then replaying it the dvb still refused to play the >>>movie fluently. So I think there's a bitrate barrier on the dvb card. >>> >>> >>Can you explain how your computer is configured and what you are trying >>to do exactly? >>Do you have a FF or a budget card? Maybe FF have such a bitrate barrier, >>but imo it's unlikely. >> >> > >I don't know whether it's a hardware limitation or a limitation in >either the dvb driver or mplayer itself, but if I generate mpeg1 files >from two of my problematic AVIs with >'mplayer -vo mpegpes:test.mpg -vop lavc,expand=(...),scale=(...) video.avi' >and I replay those mpeg files with 'mplayer -vo mpegpes test.mpg' I get >stuttering scenes at exactly the same place where it would stutter when >playing the avis directly. >If I play those files on my slower Laptop directly via >'mplayer test.mpg' those scenes are smooth as they should be. So the >mpegs itself are ok, but replaying them via the DVB card seems to be >probematic. What I observed is that at those sceens which stutter, the >bitrate goes above 2MByte/s - on my laptop I can see up to 3.4 MByte/s > > 2 MB/s means 16 Mbit/s; this may be really too high for the card (the previous figure of 5 Mb/s should not, because the card is supposed to play DVD content, which may get as high as 9.8 Mb/s) but I'm just guessing: I don't have a FF card. >whereas on the DVB-machine the bitrate seems to hit a barrier at around >2MByte/s (and yes, this machine is fast enough: P4 2.4GHz, hdparm -t: >37MB/s). > >Any thoughts? > >Cheers, >Juri > >_______________________________________________ >MPlayer-dvb mailing list >[email protected] >http://mplayerhq.hu/mailman/listinfo/mplayer-dvb > > >